Modern Sonic's gameplay follows the gameplay style of Sonic Unleashed (2008), and Sonic Colors (2010), featuring an amalgamation of third-person and side-scrolling perspectives and techniques such as boosting and homing attacks. Classic Sonic's gameplay is restricted side-scrolling gameplay similar to the original Sonic the Hedgehog games released in the 1990s, and requires him to use moves such as the Spin Dash and the Spin Attack. Sonic Generations is a platform game in which players control two variants of Sonic the Hedgehog: 'Classic' or 'Modern'. Classic Sonic's levels are played from a 2D perspective ( top) while Modern Sonic's are played from a 3D perspective ( bottom). Gameplay in Chemical Plant, the game's second level. The Classic iteration of Sonic introduced in the game has continued to make appearances throughout the franchise. Reception to the 3DS version was mixed reviewers criticized its short length and design, and deemed it worse than Dimps' previous Sonic games. It also received some criticism, mostly for its occasional frame rate and control problems. Reviewers found its visuals, audio, and gameplay to be highlights, and called it a good tribute to the franchise. The game received positive reviews from critics and was a commercial success, selling 1.85 million copies by May 2012.

The Windows version is noted for its active modding scene, where a dedicated community creates new gameplay mechanics, levels, and assets for the game. Devil's Details and Dimps helped create the Windows and 3DS versions, respectively. Each location and many bosses in the game are previously seen in an earlier entry in the series, with the game including numerous other references to past entries. Sonic Team sought to re-imagine the most popular aspects of the franchise in high-definition, and developed the game using the Hedgehog Engine. It features two gameplay styles: 'Classic', which plays from a side-scrolling perspective like that of the original Sega Genesis Sonic games, and 'Modern', 3D levels similar to those in Sonic Unleashed (2008) and Sonic Colors (2010).ĭevelopment of Sonic Generations began following the completion of Unleashed. Produced in commemoration of the 20th anniversary of the Sonic the Hedgehog series, the game follows Sonic and his sidekick Tails as they form an alliance with their modern selves. Sonic Generations is a 2011 platform game developed by Sonic Team and published by Sega for the PlayStation 3, Xbox 360, Windows, and Nintendo 3DS.

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